x^2+12x=-43

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Solution for x^2+12x=-43 equation:


Simplifying
x2 + 12x = -43

Reorder the terms:
12x + x2 = -43

Solving
12x + x2 = -43

Solving for variable 'x'.

Reorder the terms:
43 + 12x + x2 = -43 + 43

Combine like terms: -43 + 43 = 0
43 + 12x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-43' to each side of the equation.
43 + 12x + -43 + x2 = 0 + -43

Reorder the terms:
43 + -43 + 12x + x2 = 0 + -43

Combine like terms: 43 + -43 = 0
0 + 12x + x2 = 0 + -43
12x + x2 = 0 + -43

Combine like terms: 0 + -43 = -43
12x + x2 = -43

The x term is 12x.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12x + 36 + x2 = -43 + 36

Reorder the terms:
36 + 12x + x2 = -43 + 36

Combine like terms: -43 + 36 = -7
36 + 12x + x2 = -7

Factor a perfect square on the left side:
(x + 6)(x + 6) = -7

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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